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Question 22 3 pts What is the pH after 20.0 mL of 1.0 M HCl is added to a 1.0-L buffer solution composed of 0.75 M HCN and 0.
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2 NacN 2 0.15 Molarity of acid adoled - 800 to 1.0m. volume z20 me. buffer volume 1 L HON 2 O a fa5 M pka of HCN 2 1 M aoml H

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